Capillary Action Flower Experiment Worksheet

Science experiments lesson 4: Colour-changing flower: capillary action · Set 942 · 40 questions

What you do (Water climbs thin tubes): 1. Mix food colour into a glass of water. 2. An adult trims the flower stem and stands it in the coloured water. 3. Check the petals every few hours and draw what you see. 4. Wash your hands after handling food colour.

1. 1.🧺 Which of these is needed for the coloured flower experiment? (a) a magnet (b) a mirror (c) a glass of water (d) a battery cell
2. 2.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the kind of flower”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a white flower (b) a glass of water (c) a battery cell (d) food colour
4. 4.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the kind of flower is what we measure. (a) False (b) True
5. 5.🧺 Which of these is needed for the coloured flower experiment? (a) turmeric powder (b) food colour (c) yeast (d) a magnet
6. 6.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a white flower (b) a glass of water (c) turmeric powder (d) a few hours of waiting
7. 7.💧 Dip a steel spoon into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
8. 8.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the kind of flower is kept the same. (a) True (b) False
9. 9.🧺 Which of these is needed for the coloured flower experiment? (a) a few hours of waiting (b) a battery cell (c) turmeric powder (d) a magnet
10. 10.💧 Dip a strip of cloth into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
11. 11.🧺 Which of these is needed for the coloured flower experiment? (a) a mirror (b) a white flower (c) yeast (d) a balloon
12. 12.💧 Dip a piece of chalk into coloured water. Does the water climb up it? (a) water does not climb (b) water climbs up it
13. 13.💧 Which of these does not let water climb? (a) a piece of foil (b) a sugar cube (c) a cotton thread (d) a paper towel
14. 14.🧺 Three of these are needed for the coloured flower experiment. Which one is NOT needed? (a) a glass of water (b) a mirror (c) a few hours of waiting (d) a white flower
15. 15.🧺 Which of these is not needed for the coloured flower experiment? (a) a mirror (b) a glass of water (c) food colour (d) a white flower
16. 16.🛟 What should you do after handling food colour? (a) wipe them on walls (b) wash your hands (c) lick your fingers (d) rub your eyes
17. 17.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? Which of these is kept the same? (a) time for colour to show (b) the length of the stem (c) the amount of colour
18. 18.🧺 Do we need yeast for the coloured flower experiment? (a) needed (b) not needed
19. 19.True or false: a magnet is not needed for the coloured flower experiment. (a) True (b) False
20. 20.💧 Dip a sugar cube into coloured water. Does the water climb up it? (a) water climbs up it (b) water does not climb
21. 21.🔍 Which is the odd one out? (a) a cotton thread (b) a piece of foil (c) a piece of chalk (d) a paper towel
22. 22.💧 Which of these does not let water climb? (a) a steel spoon (b) a paper towel (c) a cotton thread (d) a piece of chalk
23. 23.True or false: a mirror is needed for the coloured flower experiment. (a) True (b) False
24. 24.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: time for colour to show is kept the same. (a) True (b) False
25. 25.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the amount of colour”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: time for colour to show is the one thing we change. (a) False (b) True
27. 27.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the room it stands in is the one thing we change. (a) False (b) True
28. 28.🧺 Do we need a magnet for the coloured flower experiment? (a) needed (b) not needed
29. 29.True or false: a paper towel lets water climb up it. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) a paper towel (b) a rubber eraser (c) a flower stem (d) a sugar cube
31. 31.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? What do we do with “the amount of water”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the amount of water is kept the same. (a) False (b) True
33. 33.🧺 Do we need a balloon for the coloured flower experiment? (a) not needed (b) needed
34. 34.🌼 How does coloured water reach the petals? (a) it is sprayed on (b) through the air (c) it rains on them (d) through tiny stem tubes
35. 35.🧺 Which of these is not needed for the coloured flower experiment? (a) a battery cell (b) food colour (c) a white flower (d) a glass of water
36. 36.🧺 Do we need a mirror for the coloured flower experiment? (a) not needed (b) needed
37. 37.⚖️ Fair test — does colour reach the petals faster with a short stem or a long stem? True or false: the amount of water is the one thing we change. (a) True (b) False
38. 38.🔮 Predict: a stem is split in two, one half in red water and one in blue. What do the petals do? (a) they all turn green (b) they turn two colours (c) they stay white (d) they fall off at once
39. 39.True or false: turmeric powder is needed for the coloured flower experiment. (a) False (b) True
40. 40.True or false: a white flower is needed for the coloured flower experiment. (a) True (b) False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids